var code ; //在全局 定义验证码      
function createCode(){       
code = "";      
var codeLength = 4;//验证码的长度      
var checkCode = document.getElementById("checkCode");      
checkCode.value = "";      
var selectChar = new Array(1,2,3,4,5,6,7,8,9,'a','b','c','d','e','f','g','h','j','k','l','m','n','p','q','r','s','t','u','v','w','x','y','z','A','B','C','D','E','F','G','H','J','K','L','M','N','P','Q','R','S','T','U','V','W','X','Y','Z');      
      
for(var i=0;i<codeLength;i++) {      
   var charIndex = Math.floor(Math.random()*60);      
  code +=selectChar[charIndex];      
}      
if(code.length != codeLength){      
  createCode();      
}      
checkCode.value = code;      
}          

function validate () {    
	
var mobile = $("#userName").val();
var password = $("#password").val();
var checkCode = $("#input1").val();	
if(mobile==""||mobile==null||mobile=="用户名"){
//	$('#mobile-tip').append("<span class='formtips onError' style='color:red'>请输入用户名</span>");
$("#m-tip").html("请输入用户名");
	return false;
}
else{	
	$("#m-tip").html("");
    
    if (password == "" || password == null) {      
        //alert("输入正确，输入的验证码为："+inputCode);
        $("#p-tip").html("请输入密码！")
        return false;
    }
    else {
        $("#p-tip").html("")
        //return true;
        var inputCode = document.getElementById("input1").value.toUpperCase();
        var codeToUp = code.toUpperCase();
        if (inputCode.length <= 0) {
            //alert("请输入验证码！");      
            $("#c-tip").html("请输入验证码！");
            return false;
        }
        else if (inputCode != codeToUp) {
            // alert("验证码输入错误！");      
            $("#c-tip").html("验证码输入错误！");
            createCode();
            return false;
        }
        else {
            $("#c-tip").html("");
                $.ajax({        });
             }
    }

    }  

}

$("#Button1").keypress(function (event) {

    if (event.which === 13) {
        //点击回车要执行的事件
        validate();
    }

})
